<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style>
		a:hover{
			color: #0000FF;
			background-color: #CCCCCC;	
		}
		
		div{
				/* 背景图 */
			background-image: url(./resource/8558463.jpg);
			width: auto;
			height: 500px;
			
			
		}
		
		
		</style>
		
	</head>
	<body>
		<div>
			<a href="子选择器.html">这是超链接</a>
			
			
		</div>
	</body>
</html>
